* feat(ui): add Share button to artist detail page
* feat(ui): add Download button to artist detail page
* fix(ui): scope artist share/download to album-artist content
Gate the artist Share/Download actions on album-artist stats and show the
album-artist size, since ZipArtist and the share query only cover
album_artist_id songs. Previously the total (role-inclusive) size was shown
and guest-only artists could produce an empty archive. Applies to the artist
toolbar, the shared context menu, and the download dialog title.
* fix: match artist download/share to album-artist participation
ZipArtist and the artist share query filtered the deprecated album_artist_id
column, which only stores the first album artist of a track. Secondary
album-artists (co-credited but not first) got an empty download/share even
though the UI offered it. Filter by the album-artist role participation
instead, matching the artist's album-artist stats used to gate the actions.
Also cover the artist-specific size branch of the download dialog.
* fix(share): scope artist shares to the owner's libraries
The artist share query broadened to album-artist participation, which could
pull a secondary album artist's tracks from libraries the (non-admin) share
owner cannot access into the public share. Load the artist share as the owner
so their library access is applied, mirroring how playlist shares already work.
Adds a repository test covering co-album-artist inclusion and library scoping.
* test(share): assert album participation branch of artist shares
Link the co-album-artist fixtures to albums and assert share.Albums (used by
Subsonic getShares) includes the accessible album and excludes the one in a
library the owner cannot access, so the album participation + scoping branch
is covered too.
* fix: exclude missing files from artist download/share actions
An artist's stats still count files that went missing, so the toolbar/context
menu could offer Download/Share for an artist whose files are all gone, while
the share query (missing=false) returns nothing and downloads open dead paths.
Hide the actions when the artist is missing and exclude missing files from
ZipArtist, matching the share semantics.
* refactor: dedupe artist download-size and share-owner lookups
Extract the 'album-artist download size (or none when missing)' rule into a
single artistDownloadSize() helper shared by the toolbar, context menu, and
download dialog, and factor the duplicated share-owner context lookup into a
shareRepository.ownerContext() method used by both the artist and playlist
share cases.
* refactor(ui): move artistDownloadSize helper to common
utils is for domain-agnostic, potentially portable code; this helper is
Navidrome-specific (artist stats shape), so it belongs in common. Consumers
import it directly from common/artist to avoid pulling in the common barrel.
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